n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 72 |
4 | 1380 |
5 | 31920 |
6 | 861840 |
7 | 26611200 |
8 | 925404480 |
9 | 35805369600 |
10 | 1526139014400 |
11 | 71066912716800 |
12 | 3590219977344000 |
13 | 195589552648089600 |
14 | 11430978821982720000 |
15 | 713448513897799680000 |
16 | 47363888351558338560000 |
[1,5,72,1380,31920,861840,26611200,925404480, 35805369600,1526139014400,71066912716800, 3590219977344000,195589552648089600, 11430978821982720000,713448513897799680000, 47363888351558338560000] |